The 27-year-old Enfants Riches Déprimés designer uploaded a selfie of the duo to his private Instagram page on Thursday, February 14, and wrote, “Happy Valentine’s Day to this beautiful soul @ddlovato… I love you to the moon and back,” along with a rose, a moon and a red heart emoji.

On New Year’s Eve 2018, the Staying Strong author reflected on how far she has come over the past several months. “So grateful for the lessons I’ve learned this year,” she wrote via her Instagram Story. “I will never take another day in life for granted, even the bad ones. Thankful for my fans, friends, family, and everyone who supported me throughout this year. God bless.”